I need help to unlock operator of an iphone 6s with whom I should contact t-mobile
Here are the requirements and instructions (see link below), I would note that one of the primary requirements is that you be or have been a T-Mobile US customer or they will not unlock the the device.
Unlock your mobile wireless device
Retrieving data ...
Manage your T-Mobile account
Use the T-Mobile App or your My T-Mobile account
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